Elie Geisler received training as a radiation-safety officer while serving as a solider at Dimona from 1964 to 1966. As the crisis escalated in late May 1967, Geisler was summoned to meet the head of the Minhal Madaii—the secret scientific administration in charge of the nuclear project—who gave him a special assignment: guarding a radioactive “package” to be placed under heavy security. The following testimony was relayed to Avner Cohen through several interviews and follow-up conversations and email exchanges.